AC unit freezing up

Answer: call a hvac technician.

Ice forming on your air conditioner's evaporator coil or refrigerant lines signals restricted airflow or a refrigerant issue. Running a frozen unit can damage the compressor — the most expensive component. An HVAC technician can safely thaw the system, find the cause (dirty filter, low refrigerant, or a failing blower), and prevent repeat freeze-ups.

Who to call

For this problem, call a: HVAC Technician

Symptoms to look for

  • Visible ice or frost on the outdoor unit, refrigerant lines, or indoor evaporator coil
  • Warm air blowing from vents even though the AC is set to cool
  • Water puddles or dripping around the indoor air handler
  • AC runs continuously without reaching the thermostat set temperature
  • Hissing or bubbling sound near the refrigerant lines

Related services

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